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Causes and Symptoms: Giardia in Dogs


If your fur nose shows no symptoms of a disease, but still loses a lot of weight, then giardia in the dog could be the cause. TheIntestinal parasites Caution contagious: in animal shelters, giardia can spread at lightning speed in dogs - Image: Shutterstock / StefanHuman

should be treated immediately because they multiply extremely quickly - and often go undetected. Read more about the causes and symptoms of Giardia here.

Giardia are single-celled small intestine parasites that attach to the intestinal wall. They affect not only dogs, but also other mammals or reptiles and birds. Giardia are not always noticed in dogs. Only puppies and dogs with a weakened immune system show conspicuous Giardia symptoms when infected. Many animals look healthy. Giardia, however, are more common than assumed by dog ​​owners.

Cause of giardia in dogs

Giardia are flagellates. The parasites live in the dog's digestive tract and feed on the intestinal content of the animals. At some point, however, they are excreted as cysts in the feces of infected dogs. Giardia can survive in the excretions for up to a week. If they get into the ground or into cold water, it can take several weeks.

Your dog can become infected through the droppings of a sick animal, through infected water or food. Frequent contact with a dog infected with giardia is already sufficient. If the animals lick each other or sniff, the parasites are transmitted.

Does my dog ​​have giardia? symptoms

Giardia can occur in healthy and strong dogs without you noticing. Despite parasite infestation, many animals show no noticeable symptoms, which makes diagnosis difficult. In weaker and very young or old animals, recurring mild diarrhea can be an indication of infection with giardia. Pay attention to whether the feces are pale yellow or slightly bloody in color. Other symptoms include frequent flatulence. Vomiting may occur in puppies. The result is weight loss and growth disorders, sometimes skin inflammation also occurs. Giardia can also cause symptoms such as diarrhea and vomiting in humans. An overview of possible symptoms of giardia in dogs:

• weight loss
• growth disorders
• fecal discolouration (light yellow or slightly bloody)
• flatulence
Vomiting (mostly in puppies)
• mild diarrhea (mostly in puppies or old animals)
• skin inflammation (rare)

Diagnosis and treatment: Giardia in the dog

Many owners try to fight Giardia in dogs with the wrong treatment - and give ...

High risk of infection from Giardia

Warning: An infected dog is highly contagious, which is why giardias spread very quickly in animal shelters or kennels with several animals. The droppings of very young dogs are particularly contagious, as they usually contain very large amounts of parasites. Giardia can be transmitted from dogs to humans and vice versa. You can read more about this topic in the guide: "Zooanthroponosis: When dogs transmit diseases to humans",